From 2fe605df325abfa2d36f63469fa960cd40d8cf50 Mon Sep 17 00:00:00 2001
From: Yuan Yao <yao.yuan@freescale.com>
Date: Fri, 23 Jan 2015 17:48:54 +0800
Subject: [PATCH] serial: fsl-lpuart: disable interrupt when suspend

For power management support, we should disable TX and
TX interrupt so that kernel can prepare for deep sleep.

Retain RX and RX interrupt for wakeup the kernel when
receive the input character.

Signed-off-by: Yuan Yao <yao.yuan@freescale.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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